baber/WOPTO huggingface dataset:
Patent WO-02055450-A1 (WO)
Title: Piezoelektrisches keramisches material, verfahren zu dessen herstellung und elektrokeramisches mehrlagenbauteil
Inventor: HAMMER MARIANNE
IPC: H01L41/083
Filed: 2001-12-13
Abstract: Es wird ein piezoelektrisches keramisches Material der molaren Zusammensetzung Pb¿(1+c)-x-(3/2a)-1/2(x.b) A?1x A2a (Zr¿y(1-x.b-x.z) Ti(1-y)(1-x.b-x.w)) (B?1b B2z B3w)x O3 vorgeschlagen, wobei A1 aus der Gruppe Ca, Mg, Sr, Ba oder deren Muschungen, A2 aus der Gruppe der Seltenen Erden oder deren Mischungen, B1 aus der Gruppe Nb, Ta oder Sb oder deren Mischungen  ausgewählt ist, B2 Cu oder eine Mischung von Cu mit mindestens einem Element ausgewählt aus der Gruppe Zn, Ni, Co oder Fe ist, und B3 Fe ist, wobei gilt: 0,001 ≤ a≤ 0,05; 0,05 ≤ b ≤ 0,90; 0≤c≤ 0,04; 0,005 ≤x≤0,03; 0,5≤y≤0,55; 0,05≤z≤ 0,90 und 0  ≤ w w 0,5. Weiter wird ein elektrokeramisches Mehrlagen bauteil mit Isolierschichten  mit einem derartigen Material vorgeschlagen. Schliesslich werden zwei Herstellungsverfahren für das keramische Material angegeben, wobei die Metallionenals pulverförmige Oxide und/oder Carbonate eingesetzt, mit einander vermischt und zu dem keramischen Material kalziniert werden, oder wobei pulverförmiges Zro¿2?, und TiO2 zu Zry Ti1-y02 mit- 0,50 ∫ y ∫ 0,55 kalziniert, dieses zu einem Pulver aufbereitet und mit pulverförmigen Oxiden und/oder pulverförmigen Carbonaten der weiteren Metallionen vermischt, und diese Mischung dann zu dem keramischen material kalziniert wird.
Patent WO-02093604-A1 (WO)
Title: Rasteinrichtung mit einem schieberartigen stellglied
Inventor: RUEGENBERG ROLAND
IPC: B60Q1/14
Filed: 2002-05-15
Abstract: Ein mit Rastkerben (5) versehenes Stellglied (2) der Rasteinrichtung (1) ist an einem stationären Rastglied (6) mit einem Rastelement (8) vorbeibewegbar, dass sich an einer Rastkurve (3) des Stellglieds (2) federnd abstützt. Das Rastelement (8) ist an einem federnd gelagerten Basisteil (7) des Rastglieds (6) in der Stellrichtung auslenkbar gehalten. Beim Überschreiten einer Rastkuppen (4) der Rastkurve (3) bewirkt die Rückstellkraft des Rastelements (8) ein sicheres Einrasten in eine nächste Rastkerbe (4).
Patent DE-1809757-A1 (DE)
Title: Suspension alcoholysis of ethylene vinyl ester copoly- - mers
Inventor: GLYNN HIBBERT PETER
IPC: C08F8/12
Filed: 1968-11-19
Abstract: SUSPENSION ALCOHOLYSIS OF ETHYLENE/VINYL ESTER CO-POLYMERS IN PARTICLE FORM. G1.- is carried out by suspending the particles or pellets in a lower aliphatic monohydric alcohol containing at least 1.5% catalyst and reacting for less than about 20 hours at a temp. above 35 degrees C and below that at which the particles dissolve or agglomerate. Suitable co-polymers contain 75 to 96 mol % ethylene acid 4 to 25 mol.% vinyl ester.
Patent DE-1811243-A1 (DE)
Title: Prepn of beta-lactones by contacting dialkylhydroxy
Inventor: RADDER JOHANNES
IPC: C07D315/00
Filed: 1968-11-27
Abstract: Beta-lactones (R1 and R2 denote alkyl radicals esp. C1-4 alkyl radicals). are obtd. by contacting an alpha,alpha-dialkyl-beta-hydroxycarboxylic acid HO-CH2-C(R1)(R2)-COOH and/or one or more of its esters with an inorganic acid, in gaseous phase at temps. between 150 deg. and 450 deg.C with one or more solid oxides of elements of subgroups A and B of Groups III and IV. No solvent or only small amts. of solvent are used obviating the disadvantages of Brit. 1072238 which requires extensive facilities for removing or recycling solvent. The beta-lactones are polymerized to polyesters using polymerization initiators, e.g. as in Brit. 1028928.
Patent DE-1817396-A1 (DE)
Title: Dichlorobenzene/chlorel condensates
Inventor: GUENTER SODER DR
IPC: C07C17/26
Filed: 1968-12-30
Abstract: Prepn. of a salt wherein dichlorobenzene is reacted with chloral in presence of a catalyst, suitably a quaternary ammonium base.
Patent DE-1931437-A1 (DE)
Title: Deep relief printing plate
Inventor: T GERIS FRANK
IPC: G03F7/016
Filed: 1969-06-20
Abstract: Presensitised printing device has a printing surface and a smooth flat surface. This is covered with a light-sensitive diazo resin so that it comes into direct contact with the metal. A stabilised diazotype metal surface is formed and on the surface a stable light-sensitive diazo coating is formed. The metal is Cu, Zn, al, Fe, brass, Ag, Sn, Pb, Mg, stainless steel, Cr, Mn, and/or Ni. Specif., the resin can be made from monomolecular diazotised amino-quinones - p-tertiary amino light-sensitive diazo-resins.
Patent DE-1964155-A1 (DE)
Title: Nematocides contg melamine-phosphines
Inventor: ADOLPHI HEINRICH DR
IPC: C07F9/535
Filed: 1969-12-22
Abstract: Nematocide compons. contain a cpd. of formula: (where Ar = phenyl or tolyl, X = an anion), which are pref. prepd. by reacting melamine, opt. subst. triarylphosphine and halogen.
Patent DE-2023181-A1 (DE)
Title: Soil improvement agent
Inventor: A MICHELIS KONSTANTIN
IPC: C05F11/00
Filed: 1970-05-12
Abstract: Compsn. comprises a resin produced by semicarbonisation of caustobiolites; up to 1% of sulphur; 3 - 10% formaldehyde, up to 0.1% of the residual products from the prepn. of carboxylic acids from combustible shale; up to 0.5% of a surfactant and up to 1% pyrites ash. It stops erosion and retains soil moisture and limits attack by insects and fungii on the resident crop.
Patent DE-2028058-A1 (DE)
Title: Supply apparatus - for accurately measured quantities of several - components of liquid synthetic resin
IPC: B01F15/04
Filed: 1970-06-08
Abstract: Device for expelling exactly measured quantities of several components of a liquid synthetic resin into a mixer before a mould has piston pumps with articulated rods with guides for guiding the rods from the edges of the slots in which the rods are arranged to both sides of a fixed wall and a movable wall, the rods being provided with screw bolts arranged on screw spindles fixed to the walls. Accurately expels different quantities of mixed synthetic resin components from the apparatus, including different mixed propns. of mixed resin components, so that the props. of the resin, e.g. hardness and elasticity, can be controlled.
Patent DE-2041240-A1 (DE)
Title: Pressurized equipment case - esp for telephone trunk cable repeaters with two independent chambers
Inventor: FORBERG HORST
IPC: H02G15/12
Filed: 1970-08-19
Abstract: The case, esp. of glass fibre reinforced polyester resin, has a lower chamber in which the pressurised cables are terminated separated by a hermetically sealed dividing wall from the upper chamber in which the repeater cards are housed but with a valve between them which is opened by screwing on a cap holding a shield which shrouds the bolts holding the case together but which closes automatically when the cap is removed giving access to those screws. There is no loss of cable pressure during repeater maintenance.
Patent DE-2125741-A1 (DE)
Title: Purification of effluent - by electrolysis in the presence - of foaming agents
IPC: C02F1/00
Filed: 1971-05-25
Abstract: Purification of effluent contg. dissolved, emulsified or very fine suspended organic and/or inorganic impurities, opt. after a pre-purifying stage for the removal of large impurities, by subjecting it to electrolysis in a horizontal electrical field in the presence of foam-forming substance and by removal of the foam produced.
Patent DE-2132267-A1 (DE)
Title: Aluminium fluoride hydrates dehydration - on heated fluidised bed using excess gas
Inventor: FINGERHUT HELMUTH DIPL ING
IPC: C01F7/50
Filed: 1971-06-29
Abstract: Aluminium fluoride hydrates are continuously dehydrated or converted to lower hydrates in a heated fluidised bed in the presence of a large excess of gas, pref. air. The products are fed into a cyclone separator and the appropriate fraction led back into the same or different fluidised bed and the process repeated. Material does not decompose during treatment (existing processes often cause fluorine evolution) and the particle size range is unaffected, even when the size spectrum is large. The process operates in the optimum heat transfer region without producing crusting on the heated surfaces.
Patent DE-2153303-A1 (DE)
Title: Chill mould for wide flat ingot mfr - including an induction heater
Inventor: KOSCHEUROW WSEWOLOD R
IPC: B22D11/01
Filed: 1971-10-26
Abstract: The mould is of double walled construction made of a dielectric material and the induction coil is in the form of an extended loop in two electrically separate halves connected to power supplies in opposed phases and at a voltage is not >40 v. The coil follows the contours of the mould and a shield, the latter having a spacing for the exit of cooling water from a channel and which is used for the subsequent cooling operation.
Patent DE-2219102-A1 (DE)
Title: Purging vessel with gas - using controlled laminar flow to improve efficiency
Inventor: WUNRAM HERMANN
IPC: B08B9/08
Filed: 1972-04-19
Abstract: A method of purging undesirable gas from a chamber of introducing a purging gas which displaces the gas and expels it through an outlet; the purging gas is introduced into the chamber by a lance; which is passed through the inlet to a point near the wall and discharges the purging gas in laminar flow; the depth of penetration of the lance from the inlet is >=2/3rd. of the depth of the vessel at that location. This arrangement results in a redn of >=40% in the purging time.
Patent DE-2246129-A1 (DE)
Title: Trimming continuous plastic-coated steel sheet - by draw rollers to pull surplus down away from material edge
Inventor: HLINSKY THEODOR
IPC: B26D7/18
Filed: 1972-09-20
Abstract: As the plastic-coated steel passes through feed rollers, the surplus thermoplastic coating at the side is pulled down and clear by the draw rollers of the trimming unit, operating approx. 10% faster than the speed of material travel. The edges are trimmed cleanly without using cutting tools.
Patent DE-2252488-A1 (DE)
Title: Heat- and sound-insulating plates prodn. - from cullet and/or sediment mud, water glass, calcium carbonate and bentonite
Inventor: BULLINGER FRIEDRICH HEINRICH D
IPC: C04B41/50
Filed: 1972-10-26
Abstract: Inexpensive building materials, having good insulating props and thermal stability, are produced by mixing a comminuted cullet and/or sediment mud with 2-10 wt. % w.r.t. the total compsn. of water glass (38 degrees Be), 0.2-5.0 wt. % of CaCO3, and 0.5-5-0 wt. of bentonite, moulding the mixt under press (pref. 20-80 kg am -2) to form plates; drying at 250 degrees; calcining at 750-100 degrees C; cooling to 600 degrees C, and compressing under a press. of 1-5 kg. cm -2.
Patent DE-2261908-A1 (DE)
Title: Opaque, weighted plastic sheets - useful for preventing growth of weeds
Inventor: DENGLER EMIL DIPL-ING
IPC: A01G13/02
Filed: 1972-12-18
Abstract: Growth of weeds is prevented by spreading over the earth surface plastics sheets which are weather-resistant, permeable to air and water, but impermeable to light. Pref. the sheets are fastened against inadvertent lifting by tent-pegs. The sheet is from a thermoplastics moulding mass which is pigmented and mixed with sand, gravel or other material of suitable particle size, to weight it against the wind.
Patent DE-2265227-A1 (DE)
Title: Electronic fuel injection unit with multi-vibrator - has integrated circuit control and transistor pair in Darlington arrangement
Inventor: BUSSE WOLFGANG
IPC: F02D41/18
Filed: 1972-08-31
Abstract: Electronic fuel injection system for I.C. engine comprises an electromagnetic injector valve, a power transistor connected in series with the magnetising coil of the valve, and a control multivibrator connected to the input of the transistor. The multivibrator is switched on synchronously with crankshaft revolutions, with simultaneous opening of the valve, and is maintained in this state for a period dependent of air intake quantity so as to determine quantity of fuel injected. The multivibrator contains a charging current source and a discharge current source for a timing capacitor, at least one of the two current sources being in the form of an operational amplifier. Connected to the output of the operational amplifier may be a pair of transistors in a Darlington arrangement which supply the charging of discharge current of the capacitor.
Patent DE-2302493-A1 (DE)
Title: Milling tool for removing used tyre layers - having rollers with peripheral teeth with cutting edges of hard ceramic material
Inventor: WALDMANN DIETRICH
IPC: B23D71/02
Filed: 1973-01-19
Abstract: Milling tool for tyres, esp for milling off used layers before renewal, is roller-shaped and has peripheral teeth of very hard material, these teeth, or at least their cutting parts, being provided with cutting edges lying parallel to the rotational axis of the tool and made of ceramic material. Tool has long life as a result of high abrasion resistance, and does not become blocked with milled material.
Patent DE-2304580-A1 (DE)
Title: Antimicrobial nitroalkyl thiophene-2-carboxylates - prepared by reacting thiophene-2-carboxylic acid chloride with alpha-hydroxy-nitro-alkanes
Inventor: ANDREE HANS DIPL CHEM DR
IPC: C07D333/38
Filed: 1973-01-31
Abstract: Esters of formula (I): (whre R1 is H or 1-12C alkyl opt. substd. by Cl or Br, and R2 and R3 are H, Cl, Br or 1-4C alkyl opt. substd. by Cl or Br) may be prepd. by reacting thiophene-2-carboxylic acid chloride in inert anhydrous solvents at elevated temp. with equimolar amts. of alpha-hydroxy-nitroalkanes of formula: HO-CHR1-CR2R3-NO2 and working up the reaction prodt. in a conventional manner. Cpds. (I) are broad spectrum antimicrobial agents active against bacteria and fungi. They are well tolerated physicologically and can be used e.g., as antimicrobials for cosmetics, as antimicrobial cleaning agents for public baths, food factories, dairies, breweries etc., or as preservatives for cosmetics, mortar, pastes, emulsion paints and metal-working oils.
Patent DE-2332806-A1 (DE)
Title: Free standing stairs assembly - has treads and risers connected at one end to open frame structure
Inventor: MAYER XAVER
IPC: E04F11/022
Filed: 1973-06-28
Abstract: The support frame for the stair raisers and treads has two parallel vertical hollow rectangular profile columns which are connected by a similar horizontal profile. The area within these profiles is filled with parallel vertical tension members. If the staircase supports stairs which turn through half a circle the supporting structure consists of a rectangular cage. The top of the cage is formed by a rectangular, horizontal frame made from hollow rectangular profile members whose corners are supported on vertical columns. The support members of the risers and treads are welded together. The tread planks are fixed to the supports with screws from underneath. The whole structure has low weight and its production costs are relatively low. The whole structure appears spacious and it permits access of light.
Patent DE-2334680-A1 (DE)
Title: Frequency dependent damping measurement - is perforated at one end of telecommunication line using data channel common to several speech lines
Inventor: VIERLING OSKAR PROF DR PHIL HA
IPC: H04B3/48
Filed: 1973-07-07
Abstract: The measurement of frequency-dependent damping from one end of a multiple telecommunication line involves economy in the number of conductors in the line due to the use of a single data channel common to several speech lines. Coded data is sent to and from the measuring points and the end points via the data channel and control signals are sent to an a.c. signal generator at the end point. Measuring and end-points can also be controlled from a central exchange via the data channel.
Patent DE-2405902-A1 (DE)
Title: Rectangular prefabricated insulating plate for refrigerators - has tongue and groove edge connectors moulded into plate
Inventor: GABLER MARTIN
IPC: E04F13/075
Filed: 1974-02-07
Abstract: The plates are made from foam plastics and their flat sides are covered with flexible thin adhesive bonded covering sheets. The edges have grooves or tongues for joining these plates. A snap connection is made between the tongue and groove owing to the flexibility of the moulded foam plastic and due to the undercut tongue and the grooves with reentrant groove profile. The corners of an assembly made from these plates are joined by special prefabricated profiles which have pockets for accommodating the edges of the plates and these corner profiles have projecting tongues for matching grooves in the plates edges.
Patent DE-2408782-A1 (DE)
Title: Electromotor with retention discs over stator ends - discs enclose windings and are embedded in insulating casting material
Inventor: HALM RICHARD
IPC: H02K5/08
Filed: 1974-02-23
Abstract: The electromotor has retention discs attached to the winding parts at each end of the motor. These two discs are toroidal with an inner circular wall that fits over the inside surface of the winding and an outer circular wall that fits over the outer surface of the winding and passes up to the surface of the material enclosing the ends of the stator. The end discs are press-formed and embedded into the ends of the motor's stator at the same time as the latter is impregnated or covered in the casting material. The discs have radial slits or axial steps to hold them rigidly in the cast material after the latter has solidified.
Patent DE-2410416-A1 (DE)
Title: Controlled feed for roll of photographic paper - uses adjustable ratchet wheel and pawl arrangement for copying machine
Inventor: RIES JUERGEN
IPC: G03B27/58
Filed: 1974-03-05
Abstract: The controlled feed of photographic paper is for film copying. The feed roll is driven by a friction clutch. A ratchet wheel with a series of cut outs on its periphery is mounted on, and driven by the same shaft as the feed roller. A pawl in a ratchet wheel cut-out holds it in position. When a feed of a definite distance is required an electro-magnet raises the pawl to allow the ratchet wheel to turn with the feed roller the distance of one or more cut outs before the pawl drops back arresting the movement of the ratchet wheel and feed roller. The pawl action is controlled by a cam. A paper cutting mechanism is also included.
Patent DE-2411961-A1 (DE)
Title: Underground electric cable protective covering shield - of plastics contg electrically conducting material, e.g. graphite
Inventor: LANGMATZ HANS
IPC: H02G9/02
Filed: 1974-03-13
Abstract: A plastics protective cover for underground electric cables contains electrically conductive material forming (part of) the surface of the cover. The conductive material may be graphite, mixed into the plastics. The conductive material is in contact with the surrounding soil so that each cover acts as an efficient earthing if the cable is accidentally damaged, e.g. by a workman's tool such as a pickaxe or spade. This causes a short circuit between protective shield and conductor in the cable and prevents damage to e.g. transformers and injury to workers.
Patent DE-2415488-A1 (DE)
Title: Nuts securing box lids - made from rectangular bar and located by preformed clip
Inventor: MICHL FRANZ
IPC: H02B1/48
Filed: 1974-03-29
Abstract: The application is particularly to small component boxes or chassis which have close fitting lids held on with screws. The nut is made by drilling and tapping a rectangular block with a blind hole, and then waisting this block so that in its final state it has rectangular ends and a cylindrical centre section. The nut is located inside the box by a metal strip with a U-shaped bend which closes round the cylindrical part. The strip is typically spot welded to the box wall. The nut cannot turn due to the square ends, but a degree of freedom is permitted by clearance round the clip to allow for small errors in assembly.
Patent DE-2416105-A1 (DE)
Title: Laboratory-table with switch box for speed-control etc. - having connections to additional mobile speed-controls, starter and cut-out switch
Inventor: SCHMIDT HELMUT
IPC: B01L99/00
Filed: 1974-04-03
Abstract: The switch box contains fixed manually operated switches for adjusting the speed of revolution of a starter-motor as well as fixed leg-operated switches for starting and stopping the starter-motor. The switch box is provided with connecting cables leading to additional mobile switches controlling the speed of revolution as well as to starter and cut-out switches. As a result, the operative is not restricted to a small confined space and can adjust the speed of revolution of the starter-motor as well as its running and arrest in an easy manner, irrespective of his distance from the switchgear.
Patent DE-2423744-A1 (DE)
Title: Composting of settled sludge - particularly from activated sludge plants in aerating silos
Inventor: HEIDEN FRIEDRICH ING GRAD
IPC: C05F7/00
Filed: 1974-05-16
Abstract: Composting of settled sludge by addn. of carbon carriers by mixing and pre-aerating the sludge with pre-determined proportions of added carbon carries in a pre-fermenting silo, in which the mass remains in the silo for a long residence time e.g. ca 29 hrs. Pref. the material to be fermented is supplied to the top zone of the silo by means of compressed air and is aerated continuously for 12-24 hrs. via aerating ribs with pre-heated air at 26 degrees C. Ensures complete fermentation. Final product can be used agriculturally.
Patent DE-2425849-A1 (DE)
Title: Tablet sorting appts. - uses helical channel between the crests of the threads of two equal pitch parallel spindles driven at equal speed
Inventor: SANO SUSUMU
IPC: B07B13/00
Filed: 1974-05-28
Abstract: Appts. for picking out tablets which in their standard forms have a circular section in relation to at least one axis, particularly prior to coating tablets with e.g. sugar, for pharmaceutical or confectionery purposes, comprising (i) two mutually parallel threaded spindles with the same threat pitch and driven in the same direction at the same angular velocity in such a way that the crests of their threads lie opposite to each other and (ii) separate collecting devices for the tablets ejected at different positions from the threaded spindles. Enables defective tablets, e.g. with indentations or protuberances, to be separated from the feed to the table-coating equipment entirely automatically instead of by the hand sorting method normally used in conjunction with visual inspection.
Patent DE-2430698-A1 (DE)
Title: Lubricated resin-coated glass fibres - with the lubricant decomposing under moulding conditions in forming reinforced plastic articles
Inventor: WARD JUN JOHN EDWARD
IPC: C03C25/255
Filed: 1974-06-26
Abstract: Glass fibre reinforced plastic articles are produced from short lengths of glass fibres, with a thermoplastic and/or thermosetting resin coating (e.g. PVA), which are moulded and heated with a compatible resinous matrix material (e.g. polyester or polypropylene). The resin coated fibres are first coated with an aq. soln. of an unsatd. fatty acid ester of a polyglycol fugitive processing aid, the ester coating is permitted to hydrogen bond with the water present, the fibres are mixed with the resinous matrix material, and the mix is moulded at a temp. and press. to hydrolyse at least some of the ester molecules on the fibres, and to break up the lubricant coating so that the blending of the resin fibres to the matrix is not appreciably impaired. The lubricant is pref. a polyethylene glycol monooleate.